Martinez-Fuerte and others were charged with transporting illegal Mexican aliens. They were stopped at a routine fixed checkpoint for brief questioning of the vehicle's occupants on a major highway not far from the Mexican border.
Do such stops violate the Fourth Amendment's proscription against unreasonable searches and seizures?
No, because if there is a reasonable collective suspicion, then individuals can be searched in the interest of public safety. Justice Lewis F. Powell, Jr., writing for the 7-to-2 majority, said: "The defendants note correctly that to accommodate public and private interests some quantum of individualized suspicion is usually a prerequisite to a constitutional search or seizure.... But the Fourth Amendment imposes no irreducible requirement of such suspicion."
Prepared by Michael Brandow.
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